JP2021074311A - wheelchair - Google Patents

Abstract

To provide a wheelchair which reduces load on a caregiver of a task transferring a care receiver to a bed and simplifies complicated procedure required by the transfer task.SOLUTION: A chair body frame 2 is composed of a lower frame 4 which supports casters 3 in four corners and whose outer shape is a square, a seat part frame 7 provided with a seat part 6 on which a care receiver sits down, and a connection frame 5 which is composed of four shaft bodies provided with upper and lower horizontal shafts that connect the lower frame 4 and the seat part frame 7 and vertical shafts connecting the horizontal shafts. End parts of the horizontal shafts below the respective shaft bodies 5A to 5D are fixed to corner parts of the corresponding respective lower frames 4, vertical shafts of the respective shaft bodies 5A to 5D are fixed and the upper horizontal shafts are fixed to the seat part frame 7. When moving the care receiver so as to be transferred to a bed BD while the care receiver is seated on the seat part 6, the connection frame 5 of the chair body frame 2 forms a storage space SS where the bed BD can enter a lower part of the seat part 6 from both left and right direction of the care receiver.SELECTED DRAWING: Figure 1

Description

The present invention relates to a wheelchair, specifically a wheelchair that can be driven with the assistance of a caregiver.

In general, when a particularly severe bedridden care recipient is transferred from a wheelchair to a bed, the caregiver usually holds or supports the care recipient to perform the transfer work. The replacement work is a considerable amount of work for the caregiver and is a heavy burden.

Therefore, for example, a technique disclosed in Patent Document 1 has been proposed. That is, a transfer trolley for transferring the care recipient to the bed can be attached to and removed from the care recipient transport vehicle, and when transporting the care recipient, the care recipient transport vehicle and the above A technique has been proposed in which the transfer trolley is integrated and the transfer trolley is separated from the care recipient transport vehicle when the care recipient is transferred to the bed.

Japanese Unexamined Patent Publication No. 2000-166977

However, in addition to the vehicle for transporting the long-term care recipient, it is necessary to provide the transfer trolley, and both must be attached or detached, which is extremely troublesome, has a complicated structure, and is not practical. ..

Therefore, in view of the above problems, the present invention provides a practical wheelchair that reduces the burden on the caregiver in the work of transferring the care recipient to the bed, and also makes the troublesome setup required for the transfer work easy. The purpose is to do.

Therefore, the first invention is a wheelchair that can be driven by a caster with the assistance of a caregiver.
A connecting body is provided between the lower frame provided with the caster at the lower portion and the seat frame provided with the seat on which the care recipient sits.
When the care recipient moves the bed while sitting on the seat for remounting on the bed, a storage space for the bed to enter below the seat is provided in the lower frame, the seat frame, and the connection. It is characterized by being formed by the body.

The second invention is a wheelchair that can be driven by a caster with the assistance of a caregiver.
A vehicle body frame is composed of a lower frame that supports the casters, a seat frame on which a seat on which the care recipient sits is provided, and a connecting body that connects the lower frame and the seat frame.
The vehicle body frame is characterized in that a storage space is formed by the vehicle body frame so that the bed can be inserted below the seat when the care recipient moves the bed while sitting on the seat to transfer the bed to the bed. ..

Further, in the third invention, in the first or second invention, the connected body constituting the vehicle body frame is connected to the care recipient only from either the right hand side or the left hand side of the care recipient sitting on the seat portion. It is characterized in that the person can be transferred to the bed.

Further, in the fourth invention, in the first or second invention, the care recipient is attached to the connecting body constituting the vehicle body frame from both the right-hand side and the left-hand side of the care recipient sitting on the seat portion. The feature is that it is configured so that it can be transferred to the bed.

Furthermore, the fifth invention is a wheelchair that can be driven by a caster with the assistance of a caregiver.
A lower frame that supports the casters arranged at the four corners and has a quadrangular outer shape, a seat frame on which a seat on which the care recipient sits is provided, and the lower frame and the seat frame. The vehicle body frame is composed of a connecting frame consisting of four shaft bodies equipped with a vertical axis that connects the upper and lower horizontal axes and both horizontal axes.
The ends of the lower horizontal shafts of the respective shafts are fixed to the corresponding corners of the lower frames, the vertical shafts of the four shafts are fixed to each other, and the vertical shafts of the four shafts are fixed to each other. By fixing the upper horizontal axis to the seat frame,
The storage space is provided so that the bed can enter below the seat from either the left or right direction of the care recipient when the care recipient moves the bed while sitting on the seat to transfer the bed to the bed. It is characterized by being formed by a body frame.

Furthermore, the sixth invention is a wheelchair that can be driven by a caster with the assistance of a caregiver.
A vehicle body frame is composed of a lower frame that supports the casters, a seat frame on which a seat on which the care recipient sits is provided, and a connecting frame that connects the lower frame and the seat frame.
Each vertical shaft body that connects the connecting frame constituting the vehicle body frame between the front and rear lateral support shaft bodies of the lower frame and the front and rear horizontal shaft bodies of the seat frame, and the lower frame. It is composed of one of the left and right vertical support shaft bodies and a connecting body that connects any of the left and right vertical support shaft bodies of the seat frame corresponding to these vertical support shaft bodies.
On the side of the connecting frame where the connecting body is not provided, the lower frame, the seat frame, and the vertical axes of the connecting frame allow the care recipient to rest on the bed while sitting on the seat. It is characterized in that a storage space is formed so that the bed can enter below the seat when it is moved for replacement.

INDUSTRIAL APPLICABILITY The present invention can provide a practical wheelchair by reducing the burden on the caregiver in the work of transferring the care recipient to the bed, and also by simplifying the troublesome setup required for the transfer work.

It is a front view of the wheelchair of the 1st Embodiment which omitted the backrest seat. It is a right side view of the wheelchair of FIG. It is a perspective view of the wheelchair of FIG. It is an enlarged view of the circle A of FIG. It is a front view of the wheelchair which omitted the backrest seat of the 2nd Embodiment. It is a left side view of the wheelchair of FIG. It is a perspective view of the wheelchair of the same second embodiment which omitted the backrest seat and the seat part.

Hereinafter, the wheelchair 1 that can be driven with the assistance of the caregiver according to the first embodiment of the present invention will be described. First, FIG. 1 is a front view of the wheelchair of the first embodiment in which the backrest seat is omitted, FIG. 2 is a right side view of the wheelchair of FIG. 1, FIG. 3 is a perspective view of the wheelchair of FIG. 1, and FIG. 4 is FIG. It is an enlarged view of the circle A, and when the direction is shown in the following explanation, it is the direction from the front toward the wheelchair 1, and unless a special explanation is given, the following should be interpreted as such. explain.

In FIGS. 1 to 4, the body frame 2 of the wheelchair 1 is composed of horizontal support shafts 4A and 4C and vertical support shafts 4B and 4D, both of which are provided with casters 3 at the lower four corners and are made of steel. The lower frame 4 having a quadrangular shape, the connecting frame 5 having four steel U-shaped shaft bodies 5A, 5B, 5C, and 5D, and the seat portion 6 which is a cushion on which the care recipient sits are the same. A steel seat frame 7 having a quadrangular outer shape on the upper portion and supports 9, 9 connected to the rear left and right ends of the seat frame 7 via first connecting tools 8 and 8. It is composed of a backrest frame 11 connected via the second connecting tools 10 and 10. However, although the backrest seat attached to the backrest frame 11 is omitted, the backrest frame 11 and the backrest seat form a backrest portion.

As shown in FIG. 4, which is an enlarged view of the circle A of FIG. 3, each caster 3 has a cover 3A, a wheel 3C rotatably supported by the cover 3A via a support shaft 3B, and an upper surface of the cover 3A. It is composed of a support portion 3E that rotatably supports the shaft body 3D projecting from the central portion. As a result, since the shaft body 3D is rotatably supported by the support portion 3E, the wheel 3C can be turned 360 degrees in the horizontal direction, and the wheelchair 1 can freely move in any direction. It becomes. The casters 3 are made of steel except for the wheels 3C.

Then, when viewed from the front of FIG. 3, in the support portion 3E of the caster 3 on the right front side, the ends of the horizontal support shaft body 4A and the vertical support shaft body 4B described above are at 45 degrees when viewed from above. When cut and combined, the lateral support shaft body 4A and the vertical support shaft body 4B are welded so that the angle formed by the vertical support shaft body 4B is 90 degrees, and the right front support portion 3E, the horizontal support shaft body 4A, and the said horizontal support shaft body 4A. The three vertical support shaft bodies 4B are welded to each other and fixed. Further, in the support portion 3E of the caster 3 on the right rear side, when the ends of the vertical support shaft body 4B and the horizontal support shaft body 4C described above are cut at 45 degrees when viewed from above and combined, the vertical support shaft is combined. The bodies 4B and 4C are welded so that the angle formed by them is 90 degrees, and the support portion 3E on the right rear side, the vertical support shaft body 4B, and the horizontal support shaft body 4C are welded and fixed to each other. Weld. Further, in the support portion 3E of the caster 3 on the left rear side, the lateral support shaft body 4C and the end portions of the vertical support shaft body 4D are cut at 45 degrees when viewed from above and combined. Welded so that the angle formed by the shaft body 4C and the vertical support shaft body 4D is 90 degrees, the support portion 3E on the left rear side, the horizontal support shaft body 4C, and the vertical support shaft body 4D are formed. Welded to each other and fixed. Further, in the support portion 3E of the caster 3 on the left front side, when the ends of the vertical support shaft body 4D and the horizontal support shaft body 4A described above are cut at 45 degrees when viewed from above and combined, the vertical support shaft is combined. The body 4D and the lateral support shaft 4A are welded so that the angle formed by the body 4D is 90 degrees, and the support portion 3E on the left front side, the vertical support shaft 4D, and the horizontal support shaft 4A are attached to each other. It is welded and fixed.

Therefore, the wheels 3C are attached to the four corners of the lower frame 4 constituting the vehicle body frame 2, and each wheel 3C can be oriented 360 degrees horizontally with respect to the lower frame 4.

The shaft body 5A constituting the connecting frame 5 has a lower horizontal shaft 5A1, a vertical shaft 5A2 bent so as to be perpendicular to the lower horizontal shaft 5A1, and the vertical shaft 5A2 so as to be perpendicular to the vertical shaft 5A2. It is composed of an upper horizontal shaft 5A3 bent so as to be parallel to the lower horizontal shaft 5A1. Further, the shaft body 5B includes a lower horizontal axis 5B1, a vertical axis 5B2 bent so as to be perpendicular to the lower horizontal axis 5B1, and the lower horizontal axis 5B1 so as to be perpendicular to the vertical axis 5B2. It is composed of an upper horizontal axis 5B3 that is bent so as to be folded back in parallel. Further, the shaft body 5C includes a lower horizontal axis 5C1, a vertical axis 5C2 bent so as to be perpendicular to the lower horizontal axis 5C1, and the lower horizontal axis 5C1 so as to be perpendicular to the vertical axis 5C2. It is composed of an upper horizontal axis 5C3 that is bent so as to be folded back in parallel. Further, the shaft body 5D includes a lower horizontal axis 5D1, a vertical axis 5D2 bent so as to be perpendicular to the lower horizontal axis 5D1, and the lower horizontal axis 5D1 so as to be perpendicular to the vertical axis 5D2. It consists of an upper horizontal axis ((not shown)) that is bent so that it is folded back in parallel.

The shaft bodies 5A, 5B, 5C, and 5D constituting the connecting frame 5 all have the same shape in the present embodiment and have the same shape as the lower horizontal shafts 5A1, 5B1, 5C1, and 5D1. The upper horizontal axes 5A3, 5B3, 5C3, and the upper horizontal axis of the shaft body 5D (not shown) are parallel, but may be formed so as not to be parallel but to have a phase difference.

Then, the outer end portion of the lower horizontal shaft 5A1 is welded onto the intersection portion (corresponding left front corner portion of the lower frame 4) between the vertical support shaft body 4D and the horizontal support shaft body 4A, and the lower horizontal shaft is welded. The outer end of the 5B1 is welded onto the intersection of the horizontal support shaft 4A and the vertical support 4B (the corresponding right front corner of the lower frame 4), and the outer end of the lower horizontal shaft 5C1 is Welded onto the intersection of the vertical support shaft body 4B and the horizontal support shaft body 4C (corresponding right rear corner portion of the lower frame 4), and the outer end portion of the lower horizontal shaft 5D1 is the horizontal support shaft body. Welded onto the intersection of the 4C and the vertical support shaft 4D (corresponding left rear corner of the lower frame 4).

Further, the vertical axes 5A2, 5B2, 5C2, and 5D2 of the shaft bodies 5A, 5B, 5C, and 5D constituting the connecting frame 5 are positioned below the central portion of the seat frame 7 so as to be in contact with each other, and the lower portion thereof. It is welded, fixed, and integrated in a state where it is arranged so as to be gathered at an upper position of the central portion of the frame 4. When integrated in this way, the lower horizontal axes 5A1 and 5C1 and the lower horizontal axes 5B1 and 5D1 are formed like diagonal lines in the lower frame 4.

The seat frame 7 is formed into a quadrangular outer shape by the front and rear horizontal axis bodies 7A and 7A and the left and right vertical axis bodies 7B and 7B. A vertical axis body of a book or a plurality of biaxial bodies are arranged so as to have sufficient strength to withstand a person being cared for sitting on the seat portion 6 which is a cushion.

The seat frame 7 is not necessarily composed of a shaft body, but may be composed of a shaft body and a plate body, or may be composed of only a plate body. Then, the upper horizontal shafts 5A3, 5B3, 5C3 of the shaft bodies 5A, 5B, 5C and the upper horizontal shafts (not shown) of the shaft body 5D are welded to the lower surface of the seat frame 7. It is fixed.

The backrest frame 11 is connected to the support 9 and 9 which are connected to the rear left and right ends of the seat frame 7 via the first connecting tools 8 and 8 via the second connecting tools 10 and 10. However, armrests 12 are provided on the second connecting tools 10 and 10 so as to be able to swing.

The armrest 12 is for mounting an armrest support 12A movably supported on the second connecting tools 10 and 10 and an arm of a care recipient, and is fixed on the armrest support 12A. It is composed of 12B.

Specifically, the armrest 12 is rotatably supported by a support shaft 13 at the end of the armrest support 12A housed in a recess formed in the connector 10 with an open upper surface and a front surface. As a result, the armrest body 12B to which the armrest support 12A is fixed to the lower surface thereof is supported so as to be able to swing within a range of about 90 degrees. In this case, the armrest support 12A abuts on the bottom surface forming the recess to restrict downward movement, and the armrest support 12A abuts on the rear surface forming the recess to move upward and rearward. The swing is regulated, and as described above, the armrest body 12B can swing within a range of about 90 degrees.

In the backrest frame 11, the right end portion of the lower horizontal axis body 11A and the lower end portion of the right vertical axis body 11B of the upper and lower horizontal axis bodies 11A are fixed to the second connector 10 on one side (right). To. Further, the left end portion of the lower horizontal axis body 11A and the lower end portion of the left vertical axis body 11B are fixed to the other second connector 10. Then, a plurality of vertical axis bodies 11C are arranged at predetermined intervals between the horizontal axis bodies 11A and 11A above and below the backrest frame 11 having a quadrangular outer shape. However, a plurality of horizontal shaft bodies may be arranged between the vertical axis bodies 11B and 11B on the left and right sides of the backrest frame 11.

The upper horizontal shaft body 11A of the backrest frame 11 serves as a handle held by the caregiver when moving the wheelchair 1, and in the present embodiment, the brake operated by the caregiver during braking. Although the operation unit is not provided, the movement of the casters before or after may be stopped by providing the operation unit.

The work of transferring the care recipient to the bed BD according to the configuration of the wheelchair 1 according to the first embodiment as described above will be described below. First, the caregiver grasps the upper horizontal shaft body 11A serving as a handle and moves the wheelchair 1 with the care recipient placed on the bed BD.

Then, the height level of the bed BD is adjusted according to the height level of the seat portion 6 of the wheelchair 1. That is, when the right hand side of the care recipient is placed along the bed BD, the upper horizontal axis 5A3 of the shaft body 5A of the connecting frame 5 and the upper horizontal axis of the shaft body 5D (not shown). The height level of the bed BD is adjusted so that the upper end level of the bed BD is located below the lower end level of the bed, and the arm rest 12 for the right arm is swung upward so as not to interfere with the remounting. ..

In this case, in the case of the bed BD in which a mattress is laid on the bottom where a space is formed downward by the legs, covered with sheets, and the bed is laid on it, the total of the bottom and the mattress (bed part). Since the thickness of the lower frame 4, the connecting frame 5, and the seat frame 7 is shorter than the height of the storage space SS, when the wheelchair 1 is moved toward the bed BD, the left side of FIG. 1 is shown. In the bed BD (indicated by a two-point chain line) located in, a part of the bed portion enters the storage space SS on the left.

Therefore, while the care recipient is still sitting on the seat portion 6, the caregiver holds the care recipient and transfers the butt from the wheelchair 1 to the bed BD, and then the care recipient is placed on the bed BD. After the upper body is laid down, the caregiver grabs the care recipient's leg and moves the lower body onto the bed BD.

When the left hand side of the caregiver is placed along the bed BD, the upper end level of the bed BD is lower than the lower end level of the upper horizontal shafts 5B3 and 5C3 of the shaft body 5B and 5C of the connecting frame 5. The height level of the bed BD is adjusted so that it is located at, and the arm rest 12 for the left arm is swung upward so as not to interfere with the remounting.

Then, when the wheelchair 1 is moved in the direction of the bed BD, the bed BD (indicated by the alternate long and short dash line) located on the right side of FIG. 1 has a part of the bed portion in the storage space SS on the right side. It will get in. Therefore, while the care recipient is still sitting on the seat portion 6, the caregiver holds the care recipient and transfers the butt from the wheelchair 1 to the bed BD, and then the care recipient is placed on the bed BD. After the upper body is laid down, the caregiver grabs the care recipient's leg and moves the lower body onto the bed BD.

As described above, according to the first embodiment of the present invention, the wheelchair 1 can transfer the care recipient to the bed BD from either the right hand side or the left hand side. ..

Next, the wheelchair 21 that can travel with the assistance of the caregiver according to the second embodiment of the present invention will be described. First, FIG. 5 is a front view of the wheelchair 21 in which the backrest seat of the second embodiment is omitted, FIG. 6 is a left side view of the wheelchair 21 in FIG. 5, and FIG. It is a perspective view of the wheelchair 21 of the embodiment, and when the direction is shown in the following description, it is the direction from the front toward the wheelchair 21, and it is interpreted as such unless a special explanation is given. It will be described below as what should be done.

In FIGS. 5 to 7, the body frame 22 of the wheelchair 21 has five steel horizontal support shafts 24A, 24C, 24E, and vertical support shafts 24B, 24D (the horizontal support shafts 24A, 24C, 24E are parallel to each other.) The lower frame 24 having a square outer shape and casters 23 at the lower front and rear of the left and right vertical support shafts 24B and 24D, and a cushion on which the care recipient sits. A seat 26 (omitted in FIG. 7 for convenience of explanation) is provided on the upper portion of the seat frame 27 made of steel having a substantially rectangular shape in a plan view, and the front and rear lateral support shafts 24A and 24C. A substantially central portion in the left-right direction (not necessarily the central portion) and a substantially central portion in the left-right direction of the horizontal shaft bodies 27A and 27A before and after the seat frame 27 (not necessarily the central portion). The lower surfaces of the upper and lower connecting shafts 25C2 and the right vertical shaft 27B that are erected by being welded to the rear ends of the connecting vertical shafts 25A and 25B that are erected between the two and the right vertical support shaft 24B. A steel connecting frame 25 having a substantially L shape provided with a connecting shaft body 25C composed of a horizontal connecting shaft portion 25C1 welded to the seat frame 27, and connecting tools 28 to the rear left and right ends of the seat frame 27. It is composed of a backrest frame 31 to be connected. However, although the backrest seat attached to the backrest frame 31 is omitted, the backrest frame 31 and the backrest seat form a backrest portion.

In the present embodiment, the connecting vertical shafts 25A and 25B constituting the connecting frame 25 are placed at substantially the center of the lateral support shafts 24A and 24C in the front-rear direction and before and after the seat frame 27. The horizontal shaft bodies 27A and 27A were erected between the substantially central portion in the left-right direction, but in order to ensure the safety of the care recipient sitting on the seat portion 26, the connection was made so that the subject could sit in a stable state. It may be arranged so as to be located outward (to the left in FIG. 1) so as to be far from the shaft body 25E.

That is, the connecting vertical shaft body 25A before forming the connecting frame 25 is located at a substantially central portion in the left-right direction of the front lateral support shaft body 24A and in the left-right direction of the horizontal shaft body 27A in front of the seat frame 27. The connecting vertical shaft body 25B is erected between the substantially central portion and the rear horizontal shaft body 27A at the substantially central portion in the left-right direction of the lateral support shaft body 24C and the rear seat frame 27. Although it is erected between the substantially central portion in the left-right direction, the two connecting vertical shaft bodies 25A and 25B may be erected at positions on the left side in FIG. 5, respectively.

In this way, by erection of both connected vertical shaft bodies 25A and 25B on the left side, which are intermediate positions between the left and right sides of the lateral support shaft bodies 24A and 24C, the degree to which the bed BD can enter the storage space SS1 is small. However, the care recipient can sit on the seat 26 in a stable state.

The caster 23 rotatably supports the cover 23A, the wheels 23C rotatably supported by the cover 23A via the support shaft 23B, and the shaft body 23D projecting from the center of the upper surface of the cover 23A. It is composed of a support portion 23E. As a result, since the shaft body 23D is rotatably supported by the support portion 23E fixed to the vertical support shaft bodies 24B and 24D, respectively, the wheel 23C can be turned 360 degrees in the horizontal direction. , The wheelchair 21 can move freely in any direction. The casters 23 are made of steel except for the wheels 23C.

Therefore, the wheels 23C are attached to the four corners of the lower frame 24 constituting the vehicle body frame 22, and each wheel 23C can be oriented 360 degrees in the horizontal direction with respect to the lower frame 24.

The connecting vertical shafts 25A and 25B, whose lower ends are fixed to substantially the center of the front and rear lateral support shafts 24A and 24C via a connector 38, have a seat frame whose upper end is made of steel. It is fixed by welding to the lower surface of the vertical axis 27C of 27. Further, the right end portion of the horizontal support shaft body 24E is welded and fixed to the rear end portion of the vertical support shaft body 24B on the right side, and the lower end portion of the upper and lower connecting shaft portion 25C2 of the connecting shaft body 25C is welded. The horizontal horizontal connecting shaft 25C1 extending in the front-rear direction of the connecting shaft 25C having an L-shape is welded and fixed to the lower surface of the vertical vertical body 27B on the right side of the corresponding seat frame 27. Weld. Further, the rear end portion of the vertical support shaft body 24D on the left is welded and fixed to the left end portion of the horizontal support shaft body 24E.

Then, the right end portion of the horizontal support shaft body 24A in front of the lower frame 24 is fixed to the vertical support shaft body 24B via the connector 34, and the left end portion of the horizontal support shaft body 24A is the connector 35. It is fixed to the vertical support shaft body 24D via. Further, the right end portion of the horizontal support shaft body 24A after the lower frame 24 is fixed to the vertical support shaft body 24B via the connector 36, and the left end portion of the horizontal support shaft body 24A later is connected. It is fixed to the vertical support shaft body 24D via the tool 37.

The seat frame 27 is formed into a square shape by the front and rear horizontal axis bodies 27A and 27A and the left and right vertical axis bodies 27B and 27B, and a plurality of vertical axis bodies 27C are arranged inside the quadrangle. Although it is provided, a plurality of vertical axis bodies, or a plurality of vertical axis bodies and horizontal axis bodies are arranged so as to have sufficient strength to withstand even if the care recipient sits on the seat portion 26 which is a cushion. Have. The seat frame 27 is not necessarily formed of a shaft body, but may be formed of a plate body.

Then, the left and right vertical axis bodies 27B and 27B of the seat frame 27 are gently bent upward and connected to the backrest frame 31 via the connecting tool 28, respectively. Further, each connecting tool 28 is provided with an armrest 32 so as to be able to swing.

That is, the armrest 32 is for mounting the arm of the care recipient and the like, and is composed of the armrest support 32A and the armrest main body 32B. Specifically, in the armrest 32, the end portion of the armrest support 32A housed in a recess formed in the upper surface and an open front surface of the connector 28 is rotatably supported by a support shaft 33. As a result, the armrest body 32B to which the armrest support 32A is fixed to the lower surface thereof is supported so as to be able to swing within a range of about 90 degrees. In this case, the armrest support 32A abuts on the bottom surface forming the recess to restrict downward movement, and the armrest support 32A abuts the rear surface forming the recess to move upward and rearward. The swing is regulated, and as described above, the armrest main body 32B can swing within a range of about 90 degrees.

Then, the right end portion of the horizontal shaft body 31A under the backrest frame 31 is welded and fixed to the vertical shaft body 27B on the right side of FIG. 1, and the left end portion of the lower horizontal shaft body 31A is also the left vertical shaft body 31A. It is welded and fixed to the shaft body 27B. A plurality of vertical axis bodies 31C are arranged at predetermined intervals between the horizontal axis body 31B in the middle of the backrest frame 31 having a quadrangular outer shape and the lower horizontal axis body 31A. However, a plurality of horizontal shaft bodies may be arranged between the left and right vertical axis bodies 31E and 31E of the backrest frame 31.

The upper horizontal shaft body 31D of the backrest frame 31 serves as a handle held by the caregiver when moving the wheelchair 21, and in the present embodiment, the brake operated by the caregiver during braking. Although the operation unit is not provided, the movement of the casters before or after may be stopped by providing the operation unit.

The work of transferring the care recipient to the bed BD according to the configuration of the wheelchair 21 according to the second embodiment as described above will be described below. First, the caregiver grasps the upper horizontal shaft body 31D that serves as a handle, and moves the wheelchair 21 with the care recipient placed on the bed BD.

Then, the height level of the bed BD is adjusted according to the height level of the seat portion 26 composed of the cushion provided on the seat portion frame 27. That is, the right hand side of the care recipient is aligned with the bed BD so that the upper end level of the bed BD is located below the lower end level of the vertical axis 27B on the left side of FIG. 1 of the seat frame 27. The height level of the bed BD is adjusted, and the armrest 32 for the right arm is swung upward so as not to interfere with the remounting.

In this case, since the total thickness (bed portion) of the bottom and the mattress is shorter than the height of the storage space SS1 formed between the seat frame 27 and the lower frame 24, the wheelchair 21 is used. When the bed BD is moved in the direction of the bed BD, as shown in FIG. 7, a part of the bed portion of the bed BD enters the storage space SS1 of the bed BD. The storage space SS1 is formed by the lower frame 24, the connecting frame 25, and the seat frame 27.

Therefore, while the care recipient is still sitting on the seat 26, the caregiver holds the care recipient and transfers his / her butt from the wheelchair 21 to the bed BD, and then the care recipient is placed on the bed BD. After the upper body is laid down, the caregiver grabs the care recipient's leg and moves the lower body onto the bed BD.

In the second embodiment, the structure was such that the bed BD on the right hand side of the care recipient was replaced, but the left hand side of the caregiver was replaced along the bed BD. May be good.

That is, as in the second embodiment, the connecting vertical shafts 25A and 25B of the connecting frame 25 are provided at substantially the center of the front and rear lateral support shafts 24A and 24C, but the connecting is substantially L-shaped. Rather than fixing the shaft body 25C to the vertical axis body 27B on the right and the vertical support shaft body 24B on the right when viewed from the front of FIG. 5, the vertical axis 27B on the left and the vertical support body 27B on the left when viewed from the front of FIG. 5 By fixing to the vertical support shaft body 24B and forming the storage space SS1 between the seat frame 27 and the lower frame 24 on the left hand side of the caregiver, from the left hand side of the caregiver. It can be replaced on the bed BD.

In both the first and second embodiments described above, a reclining mechanism may be provided so that the tilt angles of the backrest frames 11 and 31 can be changed. Further, although the footrest portion on which the care recipient rests and supports both feet is not provided, it may be provided. When the care recipient is transferred to the bed, the footrest portion is moved so as to be horizontal. That is, the footrest portion can be dealt with by making it possible to swing between the used position and the substantially horizontal position by the moving mechanism.

Further, the mechanism for swinging the armrests 12 and 32 described in the first and second embodiments described above is not limited to this embodiment, and has various structures and forms, and is not limited thereto.

Further, when each of the structures described in the first and second embodiments is constructed, for example, the shafts may be connected to each other through a connecting tool or welded.

Although the embodiments of the present invention have been described above, various alternative examples, modifications or modifications can be made to those skilled in the art based on the above description, and the present invention describes the various alternative examples described above without departing from the spirit of the present invention. It includes modifications or modifications.

1, 21 Wheelchair 2, 22 Body frame 3, 23 Caster 4, 24 Lower frame 5, 25 Connecting frame 5A to 5D Shaft body 5A1 to 5D1 Lower horizontal axis 5A2 to 5D2 Vertical axis 5A3 to 5C3 Upper horizontal axis 25A, 25B Connecting vertical Shaft body 25C Connecting shaft body 6, 26 Seats 7, 27 Seat frame SS, SS1 Storage space BD bed

Claims (6)

In a wheelchair that can be driven by casters with the assistance of a caregiver
A connecting body is provided between the lower frame provided with the caster at the lower portion and the seat frame provided with the seat on which the care recipient sits.
When the care recipient moves the bed while sitting on the seat for remounting on the bed, a storage space for the bed to enter below the seat is provided in the lower frame, the seat frame, and the connection. A wheelchair characterized by being formed by the body. In a wheelchair that can be driven by casters with the assistance of a caregiver
A vehicle body frame is composed of a lower frame that supports the casters, a seat frame on which a seat on which the care recipient sits is provided, and a connecting body that connects the lower frame and the seat frame.
The vehicle body frame is characterized in that a storage space is formed by the vehicle body frame so that the bed can be inserted below the seat when the care recipient moves the bed while sitting on the seat to transfer the bed to the bed. wheelchair. The connecting body constituting the vehicle body frame is characterized in that the care recipient can be mounted on the bed only from either the right hand side or the left hand side of the care recipient sitting on the seat portion. The wheelchair according to claim 1 or 2. The claim is characterized in that the connecting body constituting the vehicle body frame is configured so that the care recipient can be transferred to the bed from both the right-hand side and the left-hand side of the care recipient sitting on the seat portion. The wheelchair according to 1 or 2. In a wheelchair that can be driven by casters with the assistance of a caregiver
A lower frame that supports the casters arranged at the four corners and has a quadrangular outer shape, a seat frame on which a seat on which the care recipient sits is provided, and the lower frame and the seat frame. The vehicle body frame is composed of a connecting frame consisting of four shaft bodies equipped with a vertical axis that connects the upper and lower horizontal axes and both horizontal axes.
The ends of the lower horizontal shafts of the respective shafts are fixed to the corresponding corners of the lower frames, the vertical shafts of the four shafts are fixed to each other, and the vertical shafts of the four shafts are fixed to each other. By fixing the upper horizontal axis to the seat frame,
When the care recipient moves the bed while sitting on the seat for loading onto the bed, the storage space is provided so that the bed can enter below the seat from either the left or right direction of the care recipient. A wheelchair characterized by being formed by a body frame. In a wheelchair that can be driven by casters with the assistance of a caregiver
A vehicle body frame is composed of a lower frame that supports the casters, a seat frame on which a seat on which the care recipient sits is provided, and a connecting frame that connects the lower frame and the seat frame.
Each vertical shaft body that connects the connecting frame constituting the vehicle body frame between the front and rear lateral support shaft bodies of the lower frame and the front and rear horizontal shaft bodies of the seat frame, and the lower frame. It is composed of one of the left and right vertical support shaft bodies and a connecting body that connects any of the left and right vertical support shaft bodies of the seat frame corresponding to these vertical support shaft bodies.
On the side of the connecting frame where the connecting body is not provided, the lower frame, the seat frame, and the vertical axes of the connecting frame allow the care recipient to rest on the bed while sitting on the seat. A wheelchair characterized in that a storage space is formed so that the bed can be inserted below the seat when the bed is moved for replacement.

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